What it costs to charge a 2026 Cadillac OPTIQ AWD (11 kW Charger) in Massachusetts

At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2026 Cadillac OPTIQ AWD (11 kW Charger) (rated 34 kWh per 100 miles by the EPA) costs $10.23 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 36.2% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 Cadillac OPTIQ AWD (11 kW Charger) in Massachusetts runs about $1,534 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $869 saved annually, at this mileage.

What one full charge costs

$30.99 — that's what Massachusetts's 30.06¢/kWh rate puts on the 103.1 kWh a 2026 Cadillac OPTIQ AWD (11 kW Charger) needs for its full 303-mile EPA range.

2026 Cadillac OPTIQ AWD (11 kW Charger) in Massachusetts, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac OPTIQ AWD (11 kW Charger) in Massachusetts ranks 17,636 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD (11 kW Charger) ranks 125 of 400 EV models for raw efficiency, and Massachusetts ranks 49 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Ask a licensed Massachusetts electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Massachusetts has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.